For questions regarding Powershell Version 6.1, also called Powershell Core 6.1
PowerShell Core 6.1 achieved general availability on 13 September 2018 for Windows, macOS, and Linux. PowerShell Core 6.1 is the second supported release of PowerShell Core, that supports Linux, macOS, and Windows. This release also brings additional .NET Core 2.1 fidelity and compatibility of built-in Windows modules.